/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

var graphic = require("../../util/graphic");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
function rectCoordAxisBuildSplitArea(
    axisView,
    axisGroup,
    axisModel,
    gridModel
) {
    var axis = axisModel.axis;

    if (axis.scale.isBlank()) {
        return;
    }

    var splitAreaModel = axisModel.getModel("splitArea");
    var areaStyleModel = splitAreaModel.getModel("areaStyle");
    var areaColors = areaStyleModel.get("color");
    var gridRect = gridModel.coordinateSystem.getRect();
    var ticksCoords = axis.getTicksCoords({
        tickModel: splitAreaModel,
        clamp: true,
    });

    if (!ticksCoords.length) {
        return;
    } // For Making appropriate splitArea animation, the color and anid
    // should be corresponding to previous one if possible.

    var areaColorsLen = areaColors.length;
    var lastSplitAreaColors = axisView.__splitAreaColors;
    var newSplitAreaColors = zrUtil.createHashMap();
    var colorIndex = 0;

    if (lastSplitAreaColors) {
        for (var i = 0; i < ticksCoords.length; i++) {
            var cIndex = lastSplitAreaColors.get(ticksCoords[i].tickValue);

            if (cIndex != null) {
                colorIndex = (cIndex + (areaColorsLen - 1) * i) % areaColorsLen;
                break;
            }
        }
    }

    var prev = axis.toGlobalCoord(ticksCoords[0].coord);
    var areaStyle = areaStyleModel.getAreaStyle();
    areaColors = zrUtil.isArray(areaColors) ? areaColors : [areaColors];

    for (var i = 1; i < ticksCoords.length; i++) {
        var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);
        var x;
        var y;
        var width;
        var height;

        if (axis.isHorizontal()) {
            x = prev;
            y = gridRect.y;
            width = tickCoord - x;
            height = gridRect.height;
            prev = x + width;
        } else {
            x = gridRect.x;
            y = prev;
            width = gridRect.width;
            height = tickCoord - y;
            prev = y + height;
        }

        var tickValue = ticksCoords[i - 1].tickValue;
        tickValue != null && newSplitAreaColors.set(tickValue, colorIndex);
        axisGroup.add(
            new graphic.Rect({
                anid: tickValue != null ? "area_" + tickValue : null,
                shape: {
                    x: x,
                    y: y,
                    width: width,
                    height: height,
                },
                style: zrUtil.defaults(
                    {
                        fill: areaColors[colorIndex],
                    },
                    areaStyle
                ),
                silent: true,
            })
        );
        colorIndex = (colorIndex + 1) % areaColorsLen;
    }

    axisView.__splitAreaColors = newSplitAreaColors;
}

function rectCoordAxisHandleRemove(axisView) {
    axisView.__splitAreaColors = null;
}

exports.rectCoordAxisBuildSplitArea = rectCoordAxisBuildSplitArea;
exports.rectCoordAxisHandleRemove = rectCoordAxisHandleRemove;
